|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:9:13 | 
|  | | | 
|  | LL |     let (a, a) = (0, 1); // Standard duplication without an or-pattern. | 
|  | |             ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:12:15 | 
|  | | | 
|  | LL |     let (a, A(a, _) | B(a)) = (0, A(1, 2)); | 
|  | |               ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:12:25 | 
|  | | | 
|  | LL |     let (a, A(a, _) | B(a)) = (0, A(1, 2)); | 
|  | |                         ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:16:26 | 
|  | | | 
|  | LL |     let (A(a, _) | B(a), a) = (A(0, 1), 2); | 
|  | |                          ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:19:15 | 
|  | | | 
|  | LL |     let (A(a, a) | B(a)) = A(0, 1); | 
|  | |               ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:22:22 | 
|  | | | 
|  | LL |     let (B(a) | A(a, a)) = A(0, 1); | 
|  | |                      ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:26:21 | 
|  | | | 
|  | LL |         B(a) | A(a, a) => {} // Let's ensure `match` has no funny business. | 
|  | |                     ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:30:37 | 
|  | | | 
|  | LL |     let (B(A(a, _) | B(a)) | A(a, A(a, _) | B(a))) = B(B(1)); | 
|  | |                                     ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:30:47 | 
|  | | | 
|  | LL |     let (B(A(a, _) | B(a)) | A(a, A(a, _) | B(a))) = B(B(1)); | 
|  | |                                               ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:35:37 | 
|  | | | 
|  | LL |     let (B(_) | A(A(a, _) | B(a), A(a, _) | B(a))) = B(B(1)); | 
|  | |                                     ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:35:47 | 
|  | | | 
|  | LL |     let (B(_) | A(A(a, _) | B(a), A(a, _) | B(a))) = B(B(1)); | 
|  | |                                               ^ used in a pattern more than once | 
|  |  | 
|  | error[E0408]: variable `a` is not bound in all patterns | 
|  | --> $DIR/already-bound-name.rs:35:10 | 
|  | | | 
|  | LL |     let (B(_) | A(A(a, _) | B(a), A(a, _) | B(a))) = B(B(1)); | 
|  | |          ^^^^ pattern doesn't bind `a`        - variable not in all patterns | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:40:50 | 
|  | | | 
|  | LL |     let (B(A(a, _) | B(a)) | A(A(a, _) | B(a), A(a, _) | B(a))) = B(B(1)); | 
|  | |                                                  ^ used in a pattern more than once | 
|  |  | 
|  | error[E0416]: identifier `a` is bound more than once in the same pattern | 
|  | --> $DIR/already-bound-name.rs:40:60 | 
|  | | | 
|  | LL |     let (B(A(a, _) | B(a)) | A(A(a, _) | B(a), A(a, _) | B(a))) = B(B(1)); | 
|  | |                                                            ^ used in a pattern more than once | 
|  |  | 
|  | error[E0308]: mismatched types | 
|  | --> $DIR/already-bound-name.rs:30:32 | 
|  | | | 
|  | LL |     let (B(A(a, _) | B(a)) | A(a, A(a, _) | B(a))) = B(B(1)); | 
|  | |              -                 ^                     ------- this expression has type `E<E<{integer}>>` | 
|  | |              |                 | | 
|  | |              |                 expected integer, found `E<{integer}>` | 
|  | |              first introduced with type `{integer}` here | 
|  | | | 
|  | = note: expected type `{integer}` | 
|  | found enum `E<{integer}>` | 
|  | = note: a binding must have the same type in all alternatives | 
|  |  | 
|  | error: aborting due to 15 previous errors | 
|  |  | 
|  | Some errors have detailed explanations: E0308, E0408, E0416. | 
|  | For more information about an error, try `rustc --explain E0308`. |